190383012 has 18 divisors (see below), whose sum is σ = 481246038. Its totient is φ = 63460992.

The previous prime is 190383007. The next prime is 190383023. The reversal of 190383012 is 210383091.

It can be written as a sum of positive squares in only one way, i.e., 186486336 + 3896676 = 13656^2 + 1974^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2644173 + ... + 2644244.

It is an arithmetic number, because the mean of its divisors is an integer number (26735891).

Almost surely, 2^190383012 is an apocalyptic number.

190383012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190383012 is an abundant number, since it is smaller than the sum of its proper divisors (290863026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190383012 is a wasteful number, since it uses less digits than its factorization.

190383012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288427 (or 5288422 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 190383012 is about 13797.9350628998. The cubic root of 190383012 is about 575.2757462553.

The spelling of 190383012 in words is "one hundred ninety million, three hundred eighty-three thousand, twelve".